Finding the Fourth Proportional to 132,537,487.24, 182,899,988.40 and 72,997,640.02
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Solution
The fourth proportional to 132,537,487.24, 182,899,988.40 and 72,997,640.02 is: 100,735,782.69
Step by Step Solution
- Step 1: Write the proportion equation
132,537,487.24 : 182,899,988.40 = 72,997,640.02 : x - Step 2: Convert to fraction form
132,537,487.24/182,899,988.40 = 72,997,640.02/x - Step 3: Cross multiply
132,537,487.24x = 182,899,988.40 × 72,997,640.02 - Step 4: Simplify right side
132,537,487.24x = 13,351,267,512,885,376 - Step 5: Solve for x
x = 13,351,267,512,885,376/132,537,487.24 - Step 6: Final answer
x = 100,735,782.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.